The elements belonging to Group 1 and group 2 of periodic table has the strong tendency to form cations. The reason behind this tendency is that the elements belonging to group 1 and 2 have one and two valance electrons respectively. By loosing the valence electrons, they will aquire noble gas configuration. It is easy
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I may not stay here forever will just pass like the winds Will leave only my sweet realisation But there will not be a mark I will move like the sand Rivers are free to take me anywhere Will not be like the scientific theories Which change according to time My thoughts will be mine